Exploiting the Kubas Interaction in the Design of Hydrogen Storage Materials

David Antonelli, Tuan K.A. Hoang

Research output: Contribution to journalArticlepeer-review

Abstract

Hydrogen adsorption and storage using solid-state materials is an area of much current research interest, and one of the major stumbling blocks in realizing the hydrogen economy. However, no material yet researched comes close to reaching the DOE 2015 targets of 9 wt% and 80 kgm3 at this time. To increase the physisorption capacities of these materials, the heats of adsorption must be increased to 20 kJ mol1. This can be accomplished by optimizing the material structure, creating more active species on the surface, or improving the interaction of the surface with hydrogen. The main focus of this progress report are recent advances in physisorption materials exhibiting higher heats of adsorption and better hydrogen adsorption at room temperature based on exploiting the Kubas model for hydrogen binding: (h2-H2)-metal interaction. Both computational approaches and synthetic achievements will be discussed. Materials exploiting the Kubas interaction represent a median on the continuum between metal hydrides and physisorption materials, and are becoming increasingly important as researchers learn more about their applications to hydrogen storage problems.
Original languageEnglish
Pages (from-to)1787 - 1800
Number of pages13
JournalAdvanced Materials
Volume21
Issue number18
DOIs
Publication statusPublished - 4 May 2009

Keywords

  • kubas interaction
  • hydrogen storage materials
  • absorption
  • solid-state materials

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